Honda CRF450R 2009 Service Manual page 243

9. CYLINDER HEADNALVES
COMPONENT LOCATION ............. · .... ····· 9·2
CAM CHAIN TENSIONERICAM CHAIN
GUIDE ............ ...... .. .................. .. ...... · 9·19
SERVICE INFORMATION .................... .... 9·3
CYLINDER HEAD DiSASSEMBLy .. .. .. .. .. 9·20
TROUBLESHOOTING ............................ 9·6
CYLINDER HEAD INSPECTION .... .. ....... 9·21
CYLINDER COMPRESSION TEST .. .......... 9·7
VALVE GUIDE REPLACEMENT .... .. ...... · 9·23
CYLINDER HEAD COVER ...................... · 9·7
VALVE SEAT INSPECTION/
CAMSHAFT/ROCKER ARM REMOVAL .. · 9·10
REFACING .. ...... .. .......................... .. ... 9·24
DECOMPRESSOR SYSTEM .. .. .............. 9·13
CYLINDER HEAD ASSEMBLy· .............. 9·27
CYLINDER HEAD REMOVAL .... .. .......... 9·16
CYLINDER HEAD INSTALLATION .... .... . 9·30
CAMSHAFT/ROCKER ARM
INSTALLATION ...... · .. ·· .. · .. ·· .. · .... ·· .. · .... · 9·32
9-1